Me with this and don't get me wrong if you don't know don't answer and don't say ''i think its the right answer but i'm not sure''
which symbolizes a molecule of a compound?
1. h2o2
2. si
3. f2
4. ar2
group of answer choices
2 only
1, 3 and 4
1 only
3 and 4

Concerning the 10.0 ml of 0.50 m nacl to 100 ml of solution: when a solution is diluted, does it change the number of moles dissolved?

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2